202121322013002 has 128 divisors (see below), whose sum is σ = 466158895792128. Its totient is φ = 57230647718400.

The previous prime is 202121322012983. The next prime is 202121322013003. The reversal of 202121322013002 is 200310223121202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 202121322013002.

It is not an unprimeable number, because it can be changed into a prime (202121322013003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2803660977 + ... + 2803733067.

It is an arithmetic number, because the mean of its divisors is an integer number (3641866373376).

Almost surely, 2^{202121322013002} is an apocalyptic number.

202121322013002 is an abundant number, since it is smaller than the sum of its proper divisors (264037573779126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202121322013002 is a wasteful number, since it uses less digits than its factorization.

202121322013002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73604.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 202121322013002 its reverse (200310223121202), we get a palindrome (402431545134204).

The spelling of 202121322013002 in words is "two hundred two trillion, one hundred twenty-one billion, three hundred twenty-two million, thirteen thousand, two".